diff --git a/epicardium/ble/stack.c b/epicardium/ble/stack.c
index 79ccce44b86d46a858ec97527d2fb5aa0a6331d3..f96f2c113ae01f849a0c3b942d76c630b25e534b 100644
--- a/epicardium/ble/stack.c
+++ b/epicardium/ble/stack.c
@@ -89,8 +89,8 @@ const LlRtCfg_t _ll_cfg = {
     /*dtmRxSyncMs*/             10000,
 
     /* PHY */
-    /*phy2mSup*/                TRUE,
-    /*phyCodedSup*/             TRUE,
+    /*phy2mSup*/                FALSE,
+    /*phyCodedSup*/             FALSE,
     /*stableModIdxTxSup*/       FALSE,
     /*stableModIdxRxSup*/       FALSE
 };